'Those Who Suffer Much Know Much' 2008 A book featuring Low Dose Naltrexone (LDN) in the treatment of Multiple Sclerosis, HIV, Hepatitis B, Primary Lateral Sclerosis, Cancer, and Crohn's Disease. http://www.casehealth.com/case/pdf/THOSE_WHO_SUFFER_MUCH_LDN_BOOK_Jul08.pdf